package com.yh.construct.appearance_parttern.demo1;

import java.io.InputStream;

/**
 * @program: design-patterns
 * @description: ${description}
 * @author: yangh0597@163.com
 * @date: 2021-03-13 15:34
 * @problem:
 **/
public class FileManager {

    private Esg esg=new Esg();

    private Obs obs=new Obs();

    private FileDao fileDao=new FileDao();

    public String upload(InputStream inputStream){
        esg.diaoyongEsg();
        obs.uploadFIle();
        fileDao.hashCode();
        return "";
    }
}
